57 lines
1.8 KiB
TypeScript
57 lines
1.8 KiB
TypeScript
import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'
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import type { AnyNodeId } from '@pascal-app/core/schema'
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import { ZoneNode } from '@pascal-app/core/schema'
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import { z } from 'zod'
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import type { SceneBridge } from '../bridge/scene-bridge'
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import { ErrorCode, throwMcpError } from './errors'
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import { NodeIdSchema, Vec2Schema } from './schemas'
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export const setZoneInput = {
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levelId: NodeIdSchema,
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polygon: z.array(Vec2Schema).min(3),
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label: z.string().min(1),
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properties: z.record(z.string(), z.unknown()).optional(),
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}
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export const setZoneOutput = {
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zoneId: z.string(),
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}
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export function registerSetZone(server: McpServer, bridge: SceneBridge): void {
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server.registerTool(
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'set_zone',
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{
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title: 'Set zone',
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description:
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'Create a polygonal zone on the given level. label is stored as the zone name and properties are merged into metadata.',
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inputSchema: setZoneInput,
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outputSchema: setZoneOutput,
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},
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async ({ levelId, polygon, label, properties }) => {
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const parent = bridge.getNode(levelId as AnyNodeId)
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if (!parent) {
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throwMcpError(ErrorCode.InvalidParams, `Level not found: ${levelId}`)
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}
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if (parent.type !== 'level') {
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throwMcpError(
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ErrorCode.InvalidParams,
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`Node ${levelId} is a ${parent.type}, expected level`,
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)
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}
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const zone = ZoneNode.parse({
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name: label,
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polygon: polygon as Array<[number, number]>,
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metadata: properties ?? {},
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})
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const id = bridge.createNode(zone, levelId as AnyNodeId)
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const payload = { zoneId: id as string }
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return {
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content: [{ type: 'text' as const, text: JSON.stringify(payload) }],
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structuredContent: payload,
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}
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},
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)
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}
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